LogicalDOC is a modern document management system with a nice interface, easy to use and very fast. It uses open source Java technologies such as GWT, Spring, Lucene in order to provide a flexible and scalable DMS solution. http://www.logicaldoc.com

VASSAL is a game engine for creating electronic versions of traditional board and card games. It provides support for game piece rendering and interaction, and supports play by email or over a live connection.

DivFix++ is yours AVI video repair and preview software. It designed for repair and preview files which are on download from ed2k(emule), torrent, gnutella, ftp. web or any other source on the internet. It can repair AVI and DivX files (for now.)

JasperReports Server is a powerful, yet flexible and lightweight reporting server. Generate, organize, secure, and deliver interactive reports and dashboards to users with a web based BI Platform. Available as an open source community edition download as well as a commercially licensed, enterprise-grade business intelligence solution.

Openbravo 3, the agile ERP, is a modular, ready to use, 100% web-based open source business management system written in Java, that automates all of the core business processes for small and mid-sized companies.